Python3 - How do I import a class from another file
On 11/12/2019 14:17, Musbur wrote:
> Am 10.12.2019 22:33 schrieb Paul Moore:
>> You do understand that the reference counting garbage collector is an
>> implementation detail of the CPython implementation *only*, don't you?
> I don't think that's true. Here's a sentonce from near the top of the
> "gc" module documentation of Python 3:
> "Since the collector supplements the reference counting already used in
> Python, you can disable the collector if you are sure your program does
> not create reference cycles."
> The way I read this is that Python automatically and immediately deletes
> objects once their refcount goes to zero, and the garbage collector only
> kicks in case of circular references or other obscure circumstances. The
> documentation makes no reference to the specific Python implementation,
> so I believe this is true for CPython as well as others.
That's a bug in the documentation, and needs fixing; thanks for pointing
it out! It is certainly true that some other Python implementations
(Jython for example) do not use reference counting, and disabling the
collector may have further-reaching implications for those
implementations. I can't speak to the details; the only other
implementation I use is Micropython, and I don't use that often enough
to have cared about the details of garbage collection beyond noting that
it's different to CPython.
Rhodri James *-* Kynesim Ltd